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GB/T 3780.2-2007 Carbon black - Part 2:Determination of oil absorption number via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 9580-2009 Evaluation of standard reference carbon black (USD) via email in 1-3 business day VALID
GB/T 1665-2008 Plasticizers—Determination of saponification value and ester-content (USD) via email in 1-3 business day VALID
HG/T 4670-2014 (USD) via email in 1-3 business day VALID
GB/T 9581-2002 Oil for use in the carbon black products--Ethylene bottom via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7767-2003 STANDARD terminology relating to carbon black via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 10722-2003 Carbon black—Determination of total and external surface area by nitrogen adsorption via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
HG/T 3748-2004 Rubber compounding ingredients-silica precipitated hydrated-determination of matter soluble in water-cold extraction method (USD) via email in 1-3 business day ABOLISHED
HG/T 3062-1999 Rubber compounding ingredients -- Silica precipitated hydrated -- Determination of silica content on dried sample (USD) via email in 1-3 business day ABOLISHED
GB/T 7767-2014 (USD) via email in 1-3 business day VALID
GB/T 10722-2014 Carbon black—Determination of total and external surface area—Nitrogen adsorption test method (USD) via email in 1-3 business day VALID
GB/T 7050-1993 Colour black. Determination of tinting strength (USD) via email in 1-3 business day ABOLISHED
GB/T 20460-2006 Rubber compounding ingredients―Natural calcium carbonate―Test methods via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
HG/T 2880-2007 Silica-alumina carbon black (USD) via email in 1-3 business day VALID
HG/T 2797.1-2007 Silica-alumina carbon black-Part 1:Determination of sieve residue-Water washing method via email in VALID please email coc@codeofchina.com for quotation
GB/T 9580-2002 STANDARD practice for carbon black--Evaluation of a STANDARD reference black via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3780.4-2003 Carbon black—Part 4:Determination of dibutylphthalate absorption number and preparation of samples(compressed sample) (USD) via email in 1 business day SUPERSEDED
HG/T 2797.7-2007 Silica-alumina carbon black-Part 7:Determination of heating loss via email in VALID please email coc@codeofchina.com for quotation
HG/T 2725-2007 Standard practice for carbon black-Sampling bulk shipments via email in VALID please email coc@codeofchina.com for quotation
GB/T 7052-2003 Colour carbon black—Determination of flow characteristic via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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